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Of course, what’s less original? A 283 wearing a four-barrel, headers, and running a Duntov cam? Or a 383 wearing the 283's intake manifold, carburetor, ram’s horns, and running a mild camshaft idling much like the original 283? The latter is probably more in keeping with the original character of the car, while still providing sufficient power to deal with any traffic situation (although disc brakes are probably also advisable no matter what engine is used).
I always enjoy spirited acceleration up to the legal limit.
Clevelands are medium blocks, aren’t they? Not quite the 429-460 Limas, but greater than the 221-351W Windsors.
My dad had a ‘70 Mach 1 with a 351C-4V but unfortunately equipped with a 2.79 rear axle - thus it did nothing particularly well. Great looking car, though!
-Dave
The 283 that you desribe was actually available from teh factory for that car. You desribed what had previously been referred to in 1957 as the Power Pak.
Legal limit? What is that term? Never heard of it.
You might be right. I'll have to do more research.
The 73 was the last of the Mustangs before their decline in the 70s. The Mach 1 is fine if you get it equipped right. The FMX transmission with slightly taller gears was what you wanted in the automatic version. The shift was also available but few ordered it that way. Zero to 60 in 8.5 was decent back then. The engine was horribly detuned by this time due to the smog junk though.